xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision d2999e1b)
1#
2# ARM CPU Frequency scaling drivers
3#
4
5# big LITTLE core layer and glue drivers
6config ARM_BIG_LITTLE_CPUFREQ
7	tristate "Generic ARM big LITTLE CPUfreq driver"
8	depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
9	select PM_OPP
10	help
11	  This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
12
13config ARM_DT_BL_CPUFREQ
14	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
15	depends on ARM_BIG_LITTLE_CPUFREQ && OF
16	help
17	  This enables probing via DT for Generic CPUfreq driver for ARM
18	  big.LITTLE platform. This gets frequency tables from DT.
19
20config ARM_VEXPRESS_SPC_CPUFREQ
21        tristate "Versatile Express SPC based CPUfreq driver"
22	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
23        help
24          This add the CPUfreq driver support for Versatile Express
25	  big.LITTLE platforms using SPC for power management.
26
27
28config ARM_EXYNOS_CPUFREQ
29	bool
30
31config ARM_EXYNOS4210_CPUFREQ
32	bool "SAMSUNG EXYNOS4210"
33	depends on CPU_EXYNOS4210
34	default y
35	select ARM_EXYNOS_CPUFREQ
36	help
37	  This adds the CPUFreq driver for Samsung EXYNOS4210
38	  SoC (S5PV310 or S5PC210).
39
40	  If in doubt, say N.
41
42config ARM_EXYNOS4X12_CPUFREQ
43	bool "SAMSUNG EXYNOS4x12"
44	depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
45	default y
46	select ARM_EXYNOS_CPUFREQ
47	help
48	  This adds the CPUFreq driver for Samsung EXYNOS4X12
49	  SoC (EXYNOS4212 or EXYNOS4412).
50
51	  If in doubt, say N.
52
53config ARM_EXYNOS5250_CPUFREQ
54	bool "SAMSUNG EXYNOS5250"
55	depends on SOC_EXYNOS5250
56	default y
57	select ARM_EXYNOS_CPUFREQ
58	help
59	  This adds the CPUFreq driver for Samsung EXYNOS5250
60	  SoC.
61
62	  If in doubt, say N.
63
64config ARM_EXYNOS5440_CPUFREQ
65	bool "SAMSUNG EXYNOS5440"
66	depends on SOC_EXYNOS5440
67	depends on HAVE_CLK && OF
68	select PM_OPP
69	default y
70	help
71	  This adds the CPUFreq driver for Samsung EXYNOS5440
72	  SoC. The nature of exynos5440 clock controller is
73	  different than previous exynos controllers so not using
74	  the common exynos framework.
75
76	  If in doubt, say N.
77
78config ARM_EXYNOS_CPU_FREQ_BOOST_SW
79	bool "EXYNOS Frequency Overclocking - Software"
80	depends on ARM_EXYNOS_CPUFREQ
81	select CPU_FREQ_BOOST_SW
82	select EXYNOS_THERMAL
83	help
84	  This driver supports software managed overclocking (BOOST).
85	  It allows usage of special frequencies for Samsung Exynos
86	  processors if thermal conditions are appropriate.
87
88	  It requires, for safe operation, thermal framework with properly
89	  defined trip points.
90
91	  If in doubt, say N.
92
93config ARM_HIGHBANK_CPUFREQ
94	tristate "Calxeda Highbank-based"
95	depends on ARCH_HIGHBANK && GENERIC_CPUFREQ_CPU0 && REGULATOR
96	default m
97	help
98	  This adds the CPUFreq driver for Calxeda Highbank SoC
99	  based boards.
100
101	  If in doubt, say N.
102
103config ARM_IMX6Q_CPUFREQ
104	tristate "Freescale i.MX6 cpufreq support"
105	depends on ARCH_MXC
106	depends on REGULATOR_ANATOP
107	help
108	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
109
110	  If in doubt, say N.
111
112config ARM_INTEGRATOR
113	tristate "CPUfreq driver for ARM Integrator CPUs"
114	depends on ARCH_INTEGRATOR
115	default y
116	help
117	  This enables the CPUfreq driver for ARM Integrator CPUs.
118	  If in doubt, say Y.
119
120config ARM_KIRKWOOD_CPUFREQ
121	def_bool MACH_KIRKWOOD
122	help
123	  This adds the CPUFreq driver for Marvell Kirkwood
124	  SoCs.
125
126config ARM_OMAP2PLUS_CPUFREQ
127	bool "TI OMAP2+"
128	depends on ARCH_OMAP2PLUS
129	default ARCH_OMAP2PLUS
130
131config ARM_S3C_CPUFREQ
132	bool
133	help
134	  Internal configuration node for common cpufreq on Samsung SoC
135
136config ARM_S3C24XX_CPUFREQ
137	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
138	depends on ARCH_S3C24XX
139	select ARM_S3C_CPUFREQ
140	help
141	  This enables the CPUfreq driver for the Samsung S3C24XX family
142	  of CPUs.
143
144	  For details, take a look at <file:Documentation/cpu-freq>.
145
146	  If in doubt, say N.
147
148config ARM_S3C24XX_CPUFREQ_DEBUG
149	bool "Debug CPUfreq Samsung driver core"
150	depends on ARM_S3C24XX_CPUFREQ
151	help
152	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
153
154config ARM_S3C24XX_CPUFREQ_IODEBUG
155	bool "Debug CPUfreq Samsung driver IO timing"
156	depends on ARM_S3C24XX_CPUFREQ
157	help
158	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
159
160config ARM_S3C24XX_CPUFREQ_DEBUGFS
161	bool "Export debugfs for CPUFreq"
162	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
163	help
164	  Export status information via debugfs.
165
166config ARM_S3C2410_CPUFREQ
167	bool
168	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
169	select S3C2410_CPUFREQ_UTILS
170	help
171	  CPU Frequency scaling support for S3C2410
172
173config ARM_S3C2412_CPUFREQ
174	bool
175	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
176	default y
177	select S3C2412_IOTIMING
178	help
179	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
180
181config ARM_S3C2416_CPUFREQ
182	bool "S3C2416 CPU Frequency scaling support"
183	depends on CPU_S3C2416
184	help
185	  This adds the CPUFreq driver for the Samsung S3C2416 and
186	  S3C2450 SoC. The S3C2416 supports changing the rate of the
187	  armdiv clock source and also entering a so called dynamic
188	  voltage scaling mode in which it is possible to reduce the
189	  core voltage of the CPU.
190
191	  If in doubt, say N.
192
193config ARM_S3C2416_CPUFREQ_VCORESCALE
194	bool "Allow voltage scaling for S3C2416 arm core"
195	depends on ARM_S3C2416_CPUFREQ && REGULATOR
196	help
197	  Enable CPU voltage scaling when entering the dvs mode.
198	  It uses information gathered through existing hardware and
199	  tests but not documented in any datasheet.
200
201	  If in doubt, say N.
202
203config ARM_S3C2440_CPUFREQ
204	bool "S3C2440/S3C2442 CPU Frequency scaling support"
205	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
206	select S3C2410_CPUFREQ_UTILS
207	default y
208	help
209	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
210
211config ARM_S3C64XX_CPUFREQ
212	bool "Samsung S3C64XX"
213	depends on CPU_S3C6410
214	default y
215	help
216	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
217
218	  If in doubt, say N.
219
220config ARM_S5PV210_CPUFREQ
221	bool "Samsung S5PV210 and S5PC110"
222	depends on CPU_S5PV210
223	default y
224	help
225	  This adds the CPUFreq driver for Samsung S5PV210 and
226	  S5PC110 SoCs.
227
228	  If in doubt, say N.
229
230config ARM_SA1100_CPUFREQ
231	bool
232
233config ARM_SA1110_CPUFREQ
234	bool
235
236config ARM_SPEAR_CPUFREQ
237	bool "SPEAr CPUFreq support"
238	depends on PLAT_SPEAR
239	default y
240	help
241	  This adds the CPUFreq driver support for SPEAr SOCs.
242
243config ARM_TEGRA_CPUFREQ
244	bool "TEGRA CPUFreq support"
245	depends on ARCH_TEGRA
246	default y
247	help
248	  This adds the CPUFreq driver support for TEGRA SOCs.
249